BAILLIE GIFFORD & CO HTFL — HeartFlow

Ownership history in BAILLIE GIFFORD & CO  ·  3 quarters on record

AI Ownership Summary

BAILLIE GIFFORD & CO reported HeartFlow (HTFL) in 3 quarterly 13F filings from 2025 Q3 through 2026 Q1. Peak portfolio weight reached 0.07% in 2025 Q3. The latest visible filing shows HTFL at 0.03% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this HTFL ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BAILLIE GIFFORD & CO's position in HeartFlow, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

HTFL was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.07% in 2025 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q3 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

HTFL stock page BAILLIE GIFFORD & CO fund profile BAILLIE GIFFORD & CO full holdings
How BAILLIE GIFFORD & CO held HTFL — position size vs. price
% of Fund (quarterly)    HTFL price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 3 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 1,084,652 -1,921,346 -63.9% 0.03% $26.4M 2026-05-08 $29.51
2025 Q4 UNCHANGED — — — 3,005,998 — 0% 0.07% $87.6M 2026-01-23 $32.16
2025 Q3 INITIATED — — — 3,005,998 — — 0.07% $101.2M 2025-10-31 $37.16

🏢 Other funds also holding HTFL

As of 2026 Q1 — sorted by position size

Bain Capital Life Sciences Investors, LLC 3Y 7Y 22.93% 12 West Capital Management LP 3Y 7Y 2.63% INTREPID FAMILY OFFICE LLC 3Y 2.16% Catalio Capital Management, LP 2.05% AlpInvest Partners B.V. 3Y 7Y 1.84% Schusterman Interests, LLC 3Y 1.61% XXEC, Inc. 3Y 1.42% NEXT CENTURY GROWTH INVESTORS LLC 3Y 7Y 1.15% Capricorn Investment Group LLC 3Y 1.08% Rock Springs Capital Management LP 3Y 7Y 0.82%

FAQ About BAILLIE GIFFORD & CO and HTFL

These are the practical questions this page is built to answer before you even open the full history table.

How long has BAILLIE GIFFORD & CO reported owning HTFL?

BAILLIE GIFFORD & CO reported HTFL across 3 quarterly 13F filings, from 2025 Q3 through 2026 Q1.

What was the largest reported HTFL position in BAILLIE GIFFORD & CO's portfolio?

The largest reported portfolio weight for HTFL was 0.07% in 2025 Q3.

What is the latest reported HTFL position on this page?

The most recent filing on this page is 2026 Q1, when BAILLIE GIFFORD & CO reported 1,084,652 shares, equal to 0.03% of portfolio, with an estimated market value of $26.4M.

What does the chart on this HTFL ownership page compare?

The chart compares BAILLIE GIFFORD & CO's quarterly HTFL portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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